"When I realized it was not deterring him in the slightest I knew I was in for trouble and realized I had one tactic left to call out his bluff. When he stood up to charge in the beginning of the video I had to try and counter it.

Without my gun or spray I had one option and it was to appear a threat or at least a difficult meal."

Scared off: The bear eventually disappears out of view as the men scream at it (Image: viralhog)

The footage has been a viral hit, with more than 40,000 views.

One poster said: "You hurt his feelings. He just wanted to say hello."